Module 12【刷语法】表推测的情态动词和祈使句（重点语法提升练）-2024-2025学年八年级英语上册单元模块满分必刷题（外研版）

2024-2025学年八年级英语上册单元模块满分必刷题（外研版） Module 12 Help【刷语法】(重点语法提升练) 表推测的情态动词和祈使句 一、情态动词must can could表推测 二、祈使句用法 1. Do型（即：动词原形+宾语+其他成分） Please have a seat here. 请这边坐。 有的祈使句在意思明确的情况下，动词可省略。 This way,please.=Go this way,please. 请这边走。 2. Be型（即：Be+表语（名词或形容词）+其它成分） Be a good boy! 要做一个好孩子！ 3. Let型（即：Let+宾语+动词原形+其它成分） Let me help you. 让我来帮你。 否定结构：Do型和Be型的否定式都是在句首加don't。 Don't forge me! 不要忘记我！Don't be late for school! 上学不要迟到! Let型的否定式有两种： （Don't +Let+宾语+动词原形+其它成分）Don't let him go. 别让他走。 （Let+宾语+not+动词原形+其它成分）Let him not go. 别让他走。 4. NO开头，用来表示禁止性的祈使句。 No smoking!禁止吸烟 No fishing!禁止钓鱼 No parking!禁止停车 5. 祈使句+ or/and+简单句=if引导的条件状语从句 Hurry up, or we will miss the train.= If we don’t hurry up, we will miss the train. 语法过关小测满分：60分；时间：30分钟 一、单项选择（每小题1分，共60分） 1．The light in Mr. White’s bedroom is on. He ________ be at home. A．must B．can’t C．mustn’t D．need 【答案】A 【详解】句意：怀特先生卧室的灯亮着。他一定在家。 考查情态动词辨析。must一定，表肯定推测；can’t不可能，表否定推测；mustn’t禁止；need需要。根据“The light in Mr. White’s bedroom is on.”可知，卧室灯亮着，所以推测他“一定”在家，此处是肯定推测，用must。故选A。 2．—There is a knock at the door.      —It ________ be my father. He always comes back at this time. A．can’t B．must C．may D．may not 【答案】B 【详解】句意：——有人敲门。——一定是我父亲。他总是在这个时间回来。 考查情态动词。can’t不可能；must一定；may可能；may not可能不。根据“He always comes back at this time.”可知，说话人认为敲门的人一定是父亲，故选B。 3．I didn’t see Alan at school today, so he ________ be ill today. A．mustn’t B．must C．should D．can 【答案】B 【详解】句意：我今天在学校没看到艾伦，所以他今天一定是病了。 考查情态动词辨析。mustn’t禁止；must表示推测时，意为“一定”；should应该；can能够。根据“I didn’t see Alan at school today”可知，此处是推测他一定是病了。故选B。 4．—Look at the performer playing the guitar upside down on the stage. Is it Jim? —It ________ be him. He told me he would surprise us. Good for him. A．mustn’t B．can’t C．must D．may 【答案】C 【详解】句意：——看那个在舞台上倒立着弹吉他的表演者。是吉姆吗？ ——一定是他。他告诉我他会给我们一个惊喜。这对他来说是件好事。 考查情态动词。mustn’t禁止；can’t不可能；must一定；may也许。根据“He told me he would surprise us.”可知，吉姆曾说过他会这样做，所以表演者就是吉姆的可能性是非常大的，表肯定推测用must。故选C。 5．John ______ be a blind man. He takes his guiding dog everywhere. A．must B．ought to C．can’t D．should 【答案】A 【详解】句意：约翰一定是个盲人。他到处都带着导盲犬。 考查情态动词。must一定；ought to应该；can’t不能；should应该。根据“John ... be a blind man. He takes his guiding dog everywhere.”可知，约翰到处都带着导盲犬，他一定是个盲人，表示肯定推测用must。故选A。 6．—Whose dictionary is this? —It ________ our geography teacher’s. You see, his name is on it. A．can’t be B．can be C．must be D．mustn’t be 【答案】C 【详解】句意：——这是谁的字典？——这一定是我们地理老师的。你看，他的名字在上面。 考查动词辨析。can’t be不可能；can be可以是；must be一定是；mustn’t be一定不能是。根据“You see, his name is on it”可知，此处很肯定推测这本字典是地理老师的，因此用must be表示肯定的推测。故选C。 7．—How soft the silk shirt is! —Yes. It ________ be comfortable to wear. A．should B．must C．need D．have to 【答案】B 【详解】句意：——这件丝制衬衫好柔软啊！——是啊。它穿起来肯定很舒服。 考查动词辨析。should应该；must一定是，准是，必须；need需要；have to必须，不得不。根据“How soft the silk shirt is!”可知，衬衫柔软，推测穿起来一定很舒服，用must表示很有把握的推测。故选B。 8．—The paper cutting is pretty lively. Who made it? —It ________ be Amy. None of us except her is able (能) to do it. A．must B．need C．would D．can 【答案】A 【详解】句意：——剪纸很生动。谁做的？——一定是艾米。除了她，我们谁也不能做这件事。 考查情态动词。must一定；need需要；would将要；can能够。根据“None of us except her is able to do it.”可知，除了她没有人能做到，所以一定是她做的，用must表示肯定的推测。故选A。 9．—Whose notebook is this? —It ________ Amy’s. Look, she writes her name on the cover. A．can be B．must be C．may be 【答案】B 【详解】句意：——这是谁的笔记本？——它一定是艾米的。看，她在封面上写下了自己的名字。 考查情态动词。can be可以是；must be一定是；may be可能是。根据“Look, she writes her name on the cover.”可知，封面上有她的名字，所以一定是她的，故选B。 10．I can’t start my car now. Something ________ be wrong with it. A．can B．mustn’t C．must D．has to 【答案】C 【详解】句意：我现在发动不了车。它肯定出了什么问题。 考查情态动词辨析。can能，会；mustn’t禁止；must一定；has to不得不。根据“I can’t start my car now.”可知，说话者的汽车出了问题，此处表示肯定猜测。故选C。 11．Jane ________ be at home now. I saw her playing tennis at school just now. A．wouldn’t B．mustn’t C．can’t D．needn’t 【答案】C 【详解】句意：简现在不可能在家。我刚才看见她在学校打网球。 考查情态动词。wouldn’t不会；mustn’t禁止；can’t不可能；needn’t不必。根据下文“I saw her playing tennis at school just now.”可知，上文是有把握的否定推测，表示不可能在家，can’t表示有把握的否定推测。故选C。 12．He ________ be in the classroom now. I saw him reading in the library just now. A．mustn’t B．need C．can’t D．may 【答案】C 【详解】句意：他现在不可能在教室里。我刚才看见他在图书馆看书。 考查情态动词。mustn’t禁止；need需要；can’t不可能；may可能。根据“I saw him reading in the library just now.”可知，此处是指他现在不可能在教室，用can’t表示肯定的否定推测。故选C。 13．—Look at the young lady (女士) in red. Is she Mrs. Wang? —No. It _____ be her. She wears a white dress today. A．mustn’t B．needn’t C．can’t 【答案】C 【详解】句意：——看那位穿红衣服的年轻女士。她是王太太吗？——不，不可能是她。她今天穿着一件白色的连衣裙。 考查情态动词。mustn’t表示禁止；needn’t表示不需要；can’t表示不可能。根据“She wears a white dress today.”可知，王太太今天穿着白色连衣裙，所以穿红衣服的女士不可能是她，表示有把握的否定推测用can’t。故选C。 14．—Listen! Is Rose singing in the next room? —No. It ________ be Rose. She has gone to Shanghai. A．may not B．can’t C．mustn’t D．needn’t 【答案】B 【详解】句意：——听！是罗斯在隔壁房间里唱歌吗？——不。不可能是罗斯。她去上海了。 考查情态动词。may not可能不；can’t不可能；mustn’t禁止，不得；needn’t不必。根据“She has gone to Shanghai.”可知，罗斯已经去上海了，所以不可能是她在唱歌。此处表示否定推测，用can’t。故选B。 15．—Is that lady in a dress your aunt, Peter? —It ________ be her. She is in Shanghai on business. A．mustn’t B．shouldn’t C．can’t 【答案】C 【详解】句意：——彼得，穿连衣裙的那位女士是你姨吗？——不可能是她。她在上海出差。 考查情态动词。mustn’t不得；shouldn’t不应该；can’t不可能。根据“She is in Shanghai on business.”可知，此处指穿连衣裙的那位女士不可能是“我”的阿姨，应用can’t表示否定推测。故选C。 16．—Listen! Is Bruce singing in the class? —It ________ be him. But I’m not sure. A．need B．could C．must D．would 【答案】B 【详解】句意：——听着！布鲁斯正在班上唱歌吗？——可能是他。但我不确定。 考查情态动词表推测。need需要；could可能；must一定；would愿意，将要。根据“But I’m not sure.”可知，此处说话人不确定是不是布鲁斯。空处应用could表示“可能是他”。故选B。 17．They ________ play football last Friday because Simon forgot to bring his football here. A．could B．couldn’t C．can’t D．can 【答案】B 【详解】句意：上周五他们不可能踢了足球，因为西蒙忘记把足球带来了。 考查情态动词。根据“last Friday”和“because Simon forgot to bring his football here”可知，是对过去进行推测，应该是说上周五他们不可能踢了足球，因此couldn’t符合句意。故选B。 18．—Mr. Smith must have been to your home this morning. —No, he _________, because he didn’t know my address. A．couldn’t B．can’t C．mustn’t D．may not 【答案】A 【详解】句意：——史密斯先生今天早上一定去你家了。——不会，因为他不知道我家的地址。 考查情态动词。couldn’t不会（一般过去时）；can’t不会（一般现在时）；mustn’t禁止；may not可能不。根据“because he didn’t know my address”可知，表示史密斯先生不可能去我家，再根据“Mr. Smith must have been to your home this morning”可知，用过去时，故选A。 19．— My Chinese book is nowhere to be found. Where ______ it be? — Is it under the sofa? A．could B．must C．will D．need 【答案】A 【详解】句意：——我的中文书不见了。它会在哪里？  ——它在沙发下面吗？ 考查情态动词。could可能；must表示肯定；will将、会；need需要。结合上文“My Chinese book is nowhere to be found. ”可知这里是表示可能性，因此选择could可能；故选A。 20．—Is the man at the gate your math teacher Mr. Li? —No, it________be him. Mr. Li has gone to Beijing. A．must B．might C．can’t D．could 【答案】C 【详解】句意：——在门口的人是你的数学老师李先生么？——不，不可能是他，李先生去北京了。 考查情态动词的用法。must必须；might可能；can’t不可能；could可以。根据句意李先生去北京了，可知一定不是他。故选C。 21．—How nice the building is! What is it for? —It ________ be a hotel. But I’m not so sure. A．must B．should C．may D．can 【答案】C 【详解】句意：——这座建筑多漂亮啊！这是干什么用的？——它可能是一家酒店。但我不太确定。 考查情态动词的用法。must一定，必须；should应该；may或许；can 能够。根据“But I’m not so sure”可知，此处表不确定的推测，用may。故选C。 22．—Look! There is a baby cat not drinking its mother’s milk. —It ________ hungry. A．may not be B．maybe not C．should not be D．must not be 【答案】A 【详解】句意：——看！有一只小猫不喝它妈妈的奶。——它可能不饿。 考查情态动词用法。may not be可能不；maybe not也许不；should not be不应该；must not be禁止。根据“Look! There is a baby cat not drinking its mother’s milk.”可知，此句表推测，这只小猫可能不饿。故选A。 23．—Look! Someone left a book on a chair. —It ________ be Kate’s, I’m not sure. She likes reading. A．need B．may C．must D．should 【答案】B 【详解】句意：——看！有人把书忘在椅子上了。——可能是凯特的，我不确定。她喜欢阅读。 考查情态动词辨析。need需要；may可能；must必须；should应该。根据“I’m not sure.”可知，此处表示不确定是谁的书，因此may“可能”，表示推测，符合语境。故选B。 24．—Do you have any plan this weekend, Tony? —I’m not sure. I ________ go to visit my grandparents. A．should B．may C．need D．have to 【答案】B 【详解】句意：——这个周末你有什么计划吗，托尼？——我不确定。我可能会去看望我的祖父母。 考查动词词义辨析。should应该；may可以，可能；need需要；have to必须。根据“I’m not sure.”可知，此处是说我可能会去看望我的祖父母。故选B。 25．—Is there an express (特快列车) to Nanjing next week? —There ________ be one. But you’d better call the booking office to make sure. A．may B．should C．need D．must 【答案】A 【详解】句意：——下星期有去南京的快车吗？——可能有，但是你最好打电话向售票处确认一下。 考查情态动词辨析。may可能，也许；should应该；need需要；must肯定。根据“But you’d better call the booking office to make sure.”可知不太确定，所以需要打电话确认。故选A。 26．—________ the pretty lady over there is a teacher. —I don’t think so. I think she ________ a doctor because I saw her in the hospital last week. A．May be; maybe B．Maybe; may be C．Maybe; maybe D．May be; may be 【答案】B 【详解】句意：——也许那边那位漂亮的女士是一位老师。——我不这么认为。我想她可能是个医生，因为我上周在医院见过她。 考查may be和maybe的用法。maybe可能，副词；may be可能是。分析句子可知，第一个句子有谓语动词，故第一个空用副词maybe；第二个空缺少谓语动词，故空二是“情态动词+be动词”，作谓语。故选B。 27．If everybody drives less and rides more, we _________ have a very blue sky. A．mustn’t B．might C．have to D．should 【答案】B 【详解】句意：如果每个人都少开车，多骑车，我们可能会有一个非常蓝的天空。 考查情态动词辨析。mustn’t禁止；might可能；have to不得不；should应该。根据“have a very blue sky”可知，此处为可能的推测，might符合语境，故选B。 28．Take your umbrella. It ________ rain later. A．might B．may be C．was D．is 【答案】A 【详解】句意：带上你的伞。稍后可能会下雨。 考查情态动词。might可能；may be可能是。根据“Take your umbrella. It...rain later”可知稍后可能会下雨，表示推测用情态动词may/might，情态动词后加动词原形rain。故选A。 29．—Do you know where Eliza is? —She ________ go to the new Chinese restaurant to have dinner. But I’m not very sure. A．must B．should C．might 【答案】C 【详解】句意：——你知道Eliza在哪里吗？ ——她可能会去那家新开的中餐馆吃饭。但我不太确定。 考查情态动词。must必须；should应该；might可能。根据“But I’m not very sure.”可知，此处不确定Eliza是否在那个餐厅吃饭，表示不确定的推测用might。故选C。 30．—How are you going to Chengdu for vacation, Lily? —We ________ take a plane. But I’m not sure. A．might B．should C．must 【答案】A 【详解】句意：——莉莉，你们怎么去成都度假？——我们可能坐飞机去，但我不确定。 考查情态动词。might可能；should应该；must必须。根据“But I’m not sure”可知，这里表示不确定的推测，因此用情态动词might表示可能，故选A。 31．— Look at the selfie (自拍). Is it nice? — Yeah. ______ it on WeChat and let your friends see how cool you look! A．Putting B．To put C．Put D．Puts 【答案】C 【详解】句意：——看这张自拍。它漂亮吗？——是的。把它放到微信上，让你的朋友们看看你有多酷！ 考查祈使句。根据“it on WeChat and let your friends”可知，此处是祈使句，应用动词原形put和let并列。故选C。 32．Jack, ________ play around here. Your sister fell asleep just now. A．doesn’t B．not C．no D．don’t 【答案】D 【详解】句意：杰克，别在这里玩。你妹妹刚才睡着了。 考查祈使句的否定形式。分析句子可知，此处是祈使句的否定形式：don’t+动词原形。故选D。 33．________ hard, or you won’t be able to finish the work in a week. A．Working B．Worked C．To work D．Work 【答案】D 【详解】句意：努力工作，否则你无法在一周内完成这项工作。 考查祈使句。此处使用祈使句的结构，省略主语“you”，动词使用原形“Work”。故选D。 34．________ practicing, and you will be much better at speaking English. A．Keep B．To keep C．Keeping D．Kept 【答案】A 【详解】句意：继续练习，你会更擅长说英语。 考查祈使句。分析句子结构并结合选项可知，此句为“祈使句+and分句”句式，祈使句以动词原形开头，A项符合。故选A。 35．Go to bed early, ________ you will feel tired tomorrow morning. A．if B．but C．and D．or 【答案】D 【详解】句意：早点睡觉，否则你明天早上会感到累。 考查连词辨析。if如果；but但是；and和；or否则。根据“Go to bed early, …you will feel tired tomorrow morning”可知，此处表示早点睡觉，否则第二天会很累，应用or来连接。故选D。 36．________ this rock music, please. I’m afraid some people can’t stand the noise. A．Stop B．Stopping C．Stops 【答案】A 【详解】句意：请停止这个摇滚乐。我担心有些人受不了这种声响。 考查祈使句。根据“please”和语境可知，本句是建议，属于祈使句，以动词原形开头。故选A。 37．________ in bed. It’s bad for your eyes. A．Not to read B．Don’t to read C．Don’t read D．Not read 【答案】C 【详解】句意：不要在床上看书。这对你的眼睛不好。 考查祈使句。根据后文“It’s bad for your eyes.”可知，空格所在句是建议不要在床上看书。祈使句的否定形式在句首加Don’t，后跟动词原形。故选C。 38．Lingling, please ________ translate the sentence into Chinese. A．try to B．tries to C．tried D．tried to 【答案】A 【详解】句意：玲玲，请试着把这个句子翻译成中文。 考查祈使句用法。根据“please”可知，本句为肯定的祈使句，故空处需动词原形。故选A。 39．Tony, ________ the bottle with water and keep it in the cool corner! A．filling B．fills C．fill D．to fill 【答案】C 【详解】句意：托尼，把瓶子装满水，放在凉爽的角落里！ 考查祈使句。分析句子可知，本句是祈使句，应以动词原形开头，故选C。 40．—Sandy, ________ the pieces of that broken glass. Let me sweep them into the rubbish bin first. —OK, I will. Thank you, mum. A．to be careful with B．be careful with C．being careful with D．is careful with 【答案】B 【详解】句意：——桑迪，小心那些碎玻璃。我先把它们扫进垃圾桶。——好的，我会的。谢谢你，妈妈。 考查祈使句的肯定形式。根据“the pieces of that broken glass. Let me sweep them into the rubbish bin first.”可知，妈妈在提醒桑迪要小心，表示一种劝告，提醒，空处使用祈使句：以动词原形开头。故选B。 41．—Mom, can I play computer games this evening? —________ your homework first, and then we’ll talk about it. A．Finish B．Finished C．Finishing D．To finish 【答案】A 【详解】句意：——妈妈，今晚我可以玩电脑游戏吗? ——先完成作业，然后我们再谈论。 考查动词形式辨析。Finish完成，是动词原形；Finished一般过去式；Finishing动名词形式；To finish动词不定式。根据“and then we’ll talk about it.”可知本句是祈使句，需以原形动词开头，故选A。 42．John, ________ afraid of speaking in public. You are no longer a small boy. A．not be B．not to be C．don’t D．don’t be 【答案】D 【详解】句意：John，不要害怕在公共场合讲话。你不再是一个小男孩了。 考查祈使句的否定形式。根据“You are no longer a small boy.”可知，此处是在鼓励John不要害怕在公众场合讲话，句子应用祈使句的否定形式，其结构为：Don’t+动词原形。be afraid of doing sth“害怕做某事”，因此don’t后加be动词。故选D。 43．Life is like a mirror (镜子). ________ at it and it will smile back. A．Smile B．To smile C．Smiling D．Smiles 【答案】A 【详解】句意：生活就像一面镜子。你对它微笑，它就会对你微笑。 考查祈使句。Smile动词原形；To smile动词不定式；Smiling动名词；Smiles动词的三单形式。句子为祈使句，应用动词原形。故选A。 44．Work hard, ________ you’ll get good grades. A．and B．so C．or D．but 【答案】A 【详解】句意：努力学习，你就会取得好成绩。 考查祈使句的用法。and那么；so因此；or否则；but但是。分析可知，“取得好成绩”是“努力学习”的结果，所以此处为“祈使句+and+陈述句”句型，其中and表示“那么”。故选A。 45．Don’t go to bed too late, ________ you may have a headache. A．or B．and C．but D．so 【答案】A 【详解】句意：不要上床睡觉太晚了，否则你可能会头疼。 考查连词辨析。or否则；and和；but但是；so所以。根据“Don’t go to bed too late…you may have a headache.”可知，此处是让不要睡太晚，否则会头疼。故选A。 46．—Dad, can I hang out with my friends this evening? — ________ your homework first, and then we’ll talk about it. A．Finishing B．Finish C．To finish D．Finished 【答案】B 【详解】句意：——爸爸，今晚我能和朋友出去玩吗？——先完成作业，然后我们再讨论。 考查祈使句。根据“your homework first, and then we’ll talk about it”可知，此句省略了主语，是表达命令的祈使句，祈使句应以动词原形开头。故选B。 47．Just go down this road and you ________ the library next to the bank. A．see B．saw C．will see D．have seen 【答案】C 【详解】句意：沿着这条路走，你会看到银行旁边的图书馆。 考查动词时态。根据“Just go down this road and you … the library next to the bank”可知，这是祈使句+and+陈述句的结构，通常陈述句用一般将来时will do的结构，故选C。 48．________ use the lift during an earthquake. A．Doesn’t B．Didn’t C．Don’t D．Did 【答案】C 【详解】句意：不要在地震期间使用电梯。 考查否定形式的祈使句。结合选项和空后的“use the lift during an earthquake.”可知，此处考查否定形式的祈使句，而祈使句变否定形式只需在句首的动词原形前加Don’t。故选C。 49．________ buy your ticket from a ticket machine. There are lots of people there. A．Not B．Not to C．Don’t D．No 【答案】C 【详解】句意：不要从机器售票机里买票。那边有很多人。 考查祈使句的否定形式。结合选项和“...buy your ticket from a ticket machine”可知，本句考查祈使句的否定形式，用助动词Don’t置于句首，故选C。 50．________ others and you will feel happy at the same time. A．Help B．To help C．Helping D．Helped 【答案】A 【详解】句意：帮助别人，同时你也会感到快乐。 考查祈使句。help帮助，动词原形；To help是动词不定式；Helping是动名词；Helped是过去式。根据“...others and you will feel happy at the same time.”可知，此处是“祈使句+and+简单句”的句型，故填动词原形。故选A。 51．________ so loudly! The baby is sleeping. A．Talk B．Don’t talk C．To talk 【答案】B 【详解】句意：别这么大声说话！婴儿正在睡觉。 考查祈使句。分析句子，空格处所在句子为祈使句，以动词原形开头，又根据“The baby is sleeping.”可知，此处表示不要大声说话，应用祈使句的否定形式，句首加Don’t，故选B。 52．—Judy, ________the pieces of that broken glass! Let me sweep them into the rubbish bin first. —OK, I will. Thank you. A．to be careful with B．be careful with C．being careful with D．you are careful with 【答案】B 【详解】句意：——朱蒂，小心那些玻璃碎片！让我先把他们扫进垃圾桶里。——好的我会做的。谢谢你。 考查祈使句。根据“Judy, ... the pieces of that broken glass! ”可知，此处省略了主语you，应当是祈使句，祈使句用动词原形开头。故选B。 53．_______late for work next time, will you? A．Never be B．Won’t be C．Don’t D．Not 【答案】A 【详解】句意：下次上班别迟到了，好吗？ 考查祈使句。根据“will you?”可知，该句是祈使句，迟到“be late”，此句是请求对方“不要迟到”，never be late/don’t be late符合句意，故选A。 54．You’d better _________ your work without reading the instructions. A．not to begin B．not begin C．don’t begin D．to not begin 【答案】B 【详解】句意：你最好不要在没有阅读说明书的情况下开始工作。 考查情态动词。情态动词had better后面要加动词原形，否定句式为you’d better not do sth“你最好不要做某事”，固定搭配。故选B。 55．________ all the changes in life, and you will enjoy life more. This is what Andy wants to tell us. A．Welcoming B．To welcome C．Welcomes D．Welcome 【答案】D 【详解】句意：欢迎生活中的一切变化，你会更加享受生活。这就是Andy想告诉我们的。 考查祈使句。根据“all the changes in life, and you will enjoy life more. This is what Andy wants to tell us.”可知，此句为“祈使句+and+陈述句”的固定句式，表示结果（即陈述句所表示的内容为前面祈使句内容的结果），因此句首为动词原形。故选D。 56．—Excuse me, can you tell me the way to the nearest library? —Just ________ going straight on and you will see it. A．keep B．to keep C．keeping D．kept 【答案】A 【详解】句意：——对不起，你能告诉我去最近的图书馆怎么走吗？——一直往前走，你就会看到的。 考查祈使句。此句是祈使句肯定形式，此空应填动词原形，故选A。 57．—Mom, the apple is ready now. What should I do next? —______ the apple into small pieces. A．Cutting B．To cut C．Cut D．Cuts 【答案】C 【详解】句意：——妈妈，苹果准备好了。我下一步该怎么办？——把苹果切成小块。 考查祈使句。根据“What should I do next?”（我下一步该怎么办？），可知答语是妈妈的命令，应用祈使句表达，故句子用动词原形开头。故选C。 58．_______ a large hole and put your secret in it. A．Dig B．To dig C．Digging D．Digs 【答案】A 【详解】句意： 挖一个大洞，把你的秘密放进去。 考查祈使句。根据题干可知，句子是祈使句的肯定形式，句首的动词用原形。故选A。 59．Let me ________ you some advice. Why not speak English as much as possible? A．give B．giving C．to give D．gave 【答案】A 【详解】句意：让我给你一些建议。为什么不尽可能多地说英语呢？ 考查祈使句。根据“Let me…you some advice.”可知，让某人做某事，表达为let sb. do sth.，因此此处用动词原形。故选A。 60．David, ________ cross the road when the traffic light is red. A．can’t B．don’t C．doesn’t D．won’t 【答案】B 【详解】句意：大卫，交通灯是红色的时候不要过马路。 考查祈使句。根据“David, ... cross the road when the traffic light is red.”是否定祈使句可知，应用don’t，后接动词原形。故选B。 原创精品资源学科网独家享有版权，侵权必究！6 学科网（北京）股份有限公司 $$ 2024-2025学年八年级英语上册单元模块满分必刷题（外研版） Module 12 Help【刷语法】(重点语法提升练) 表推测的情态动词和祈使句 一、情态动词must can could表推测 二、祈使句用法 1. Do型（即：动词原形+宾语+其他成分） Please have a seat here. 请这边坐。 有的祈使句在意思明确的情况下，动词可省略。 This way,please.=Go this way,please. 请这边走。 2. Be型（即：Be+表语（名词或形容词）+其它成分） Be a good boy! 要做一个好孩子！ 3. Let型（即：Let+宾语+动词原形+其它成分） Let me help you. 让我来帮你。 否定结构：Do型和Be型的否定式都是在句首加don't。 Don't forge me! 不要忘记我！Don't be late for school! 上学不要迟到! Let型的否定式有两种： （Don't +Let+宾语+动词原形+其它成分）Don't let him go. 别让他走。 （Let+宾语+not+动词原形+其它成分）Let him not go. 别让他走。 4. NO开头，用来表示禁止性的祈使句。 No smoking!禁止吸烟 No fishing!禁止钓鱼 No parking!禁止停车 5. 祈使句+ or/and+简单句=if引导的条件状语从句 Hurry up, or we will miss the train.= If we don’t hurry up, we will miss the train. 语法过关小测满分：60分；时间：30分钟 一、单项选择（每小题1分，共60分） 1．The light in Mr. White’s bedroom is on. He ________ be at home. A．must B．can’t C．mustn’t D．need 2．—There is a knock at the door.      —It ________ be my father. He always comes back at this time. A．can’t B．must C．may D．may not 3．I didn’t see Alan at school today, so he ________ be ill today. A．mustn’t B．must C．should D．can 4．—Look at the performer playing the guitar upside down on the stage. Is it Jim? —It ________ be him. He told me he would surprise us. Good for him. A．mustn’t B．can’t C．must D．may 5．John ______ be a blind man. He takes his guiding dog everywhere. A．must B．ought to C．can’t D．should 6．—Whose dictionary is this? —It ________ our geography teacher’s. You see, his name is on it. A．can’t be B．can be C．must be D．mustn’t be 7．—How soft the silk shirt is! —Yes. It ________ be comfortable to wear. A．should B．must C．need D．have to 8．—The paper cutting is pretty lively. Who made it? —It ________ be Amy. None of us except her is able (能) to do it. A．must B．need C．would D．can 9．—Whose notebook is this? —It ________ Amy’s. Look, she writes her name on the cover. A．can be B．must be C．may be 10．I can’t start my car now. Something ________ be wrong with it. A．can B．mustn’t C．must D．has to 11．Jane ________ be at home now. I saw her playing tennis at school just now. A．wouldn’t B．mustn’t C．can’t D．needn’t 12．He ________ be in the classroom now. I saw him reading in the library just now. A．mustn’t B．need C．can’t D．may 13．—Look at the young lady (女士) in red. Is she Mrs. Wang? —No. It _____ be her. She wears a white dress today. A．mustn’t B．needn’t C．can’t 14．—Listen! Is Rose singing in the next room? —No. It ________ be Rose. She has gone to Shanghai. A．may not B．can’t C．mustn’t D．needn’t 15．—Is that lady in a dress your aunt, Peter? —It ________ be her. She is in Shanghai on business. A．mustn’t B．shouldn’t C．can’t 16．—Listen! Is Bruce singing in the class? —It ________ be him. But I’m not sure. A．need B．could C．must D．would 17．They ________ play football last Friday because Simon forgot to bring his football here. A．could B．couldn’t C．can’t D．can 18．—Mr. Smith must have been to your home this morning. —No, he _________, because he didn’t know my address. A．couldn’t B．can’t C．mustn’t D．may not 19．— My Chinese book is nowhere to be found. Where ______ it be? — Is it under the sofa? A．could B．must C．will D．need 20．—Is the man at the gate your math teacher Mr. Li? —No, it________be him. Mr. Li has gone to Beijing. A．must B．might C．can’t D．could 21．—How nice the building is! What is it for? —It ________ be a hotel. But I’m not so sure. A．must B．should C．may D．can 22．—Look! There is a baby cat not drinking its mother’s milk. —It ________ hungry. A．may not be B．maybe not C．should not be D．must not be 23．—Look! Someone left a book on a chair. —It ________ be Kate’s, I’m not sure. She likes reading. A．need B．may C．must D．should 24．—Do you have any plan this weekend, Tony? —I’m not sure. I ________ go to visit my grandparents. A．should B．may C．need D．have to 25．—Is there an express (特快列车) to Nanjing next week? —There ________ be one. But you’d better call the booking office to make sure. A．may B．should C．need D．must 26．—________ the pretty lady over there is a teacher. —I don’t think so. I think she ________ a doctor because I saw her in the hospital last week. A．May be; maybe B．Maybe; may be C．Maybe; maybe D．May be; may be 27．If everybody drives less and rides more, we _________ have a very blue sky. A．mustn’t B．might C．have to D．should 28．Take your umbrella. It ________ rain later. A．might B．may be C．was D．is 29．—Do you know where Eliza is? —She ________ go to the new Chinese restaurant to have dinner. But I’m not very sure. A．must B．should C．might 30．—How are you going to Chengdu for vacation, Lily? —We ________ take a plane. But I’m not sure. A．might B．should C．must 31．— Look at the selfie (自拍). Is it nice? — Yeah. ______ it on WeChat and let your friends see how cool you look! A．Putting B．To put C．Put D．Puts 32．Jack, ________ play around here. Your sister fell asleep just now. A．doesn’t B．not C．no D．don’t 33．________ hard, or you won’t be able to finish the work in a week. A．Working B．Worked C．To work D．Work 34．________ practicing, and you will be much better at speaking English. A．Keep B．To keep C．Keeping D．Kept 35．Go to bed early, ________ you will feel tired tomorrow morning. A．if B．but C．and D．or 36．________ this rock music, please. I’m afraid some people can’t stand the noise. A．Stop B．Stopping C．Stops 37．________ in bed. It’s bad for your eyes. A．Not to read B．Don’t to read C．Don’t read D．Not read 38．Lingling, please ________ translate the sentence into Chinese. A．try to B．tries to C．tried D．tried to 39．Tony, ________ the bottle with water and keep it in the cool corner! A．filling B．fills C．fill D．to fill 40．—Sandy, ________ the pieces of that broken glass. Let me sweep them into the rubbish bin first. —OK, I will. Thank you, mum. A．to be careful with B．be careful with C．being careful with D．is careful with 41．—Mom, can I play computer games this evening? —________ your homework first, and then we’ll talk about it. A．Finish B．Finished C．Finishing D．To finish 42．John, ________ afraid of speaking in public. You are no longer a small boy. A．not be B．not to be C．don’t D．don’t be 43．Life is like a mirror (镜子). ________ at it and it will smile back. A．Smile B．To smile C．Smiling D．Smiles 44．Work hard, ________ you’ll get good grades. A．and B．so C．or D．but 45．Don’t go to bed too late, ________ you may have a headache. A．or B．and C．but D．so 46．—Dad, can I hang out with my friends this evening? — ________ your homework first, and then we’ll talk about it. A．Finishing B．Finish C．To finish D．Finished 47．Just go down this road and you ________ the library next to the bank. A．see B．saw C．will see D．have seen 48．________ use the lift during an earthquake. A．Doesn’t B．Didn’t C．Don’t D．Did 49．________ buy your ticket from a ticket machine. There are lots of people there. A．Not B．Not to C．Don’t D．No 50．________ others and you will feel happy at the same time. A．Help B．To help C．Helping D．Helped 51．________ so loudly! The baby is sleeping. A．Talk B．Don’t talk C．To talk 52．—Judy, ________the pieces of that broken glass! Let me sweep them into the rubbish bin first. —OK, I will. Thank you. A．to be careful with B．be careful with C．being careful with D．you are careful with 53．_______late for work next time, will you? A．Never be B．Won’t be C．Don’t D．Not 54．You’d better _________ your work without reading the instructions. A．not to begin B．not begin C．don’t begin D．to not begin 55．________ all the changes in life, and you will enjoy life more. This is what Andy wants to tell us. A．Welcoming B．To welcome C．Welcomes D．Welcome 56．—Excuse me, can you tell me the way to the nearest library? —Just ________ going straight on and you will see it. A．keep B．to keep C．keeping D．kept 57．—Mom, the apple is ready now. What should I do next? —______ the apple into small pieces. A．Cutting B．To cut C．Cut D．Cuts 58．_______ a large hole and put your secret in it. A．Dig B．To dig C．Digging D．Digs 59．Let me ________ you some advice. Why not speak English as much as possible? A．give B．giving C．to give D．gave 60．David, ________ cross the road when the traffic light is red. A．can’t B．don’t C．doesn’t D．won’t 原创精品资源学科网独家享有版权，侵权必究！6 学科网（北京）股份有限公司 $$